Linear motion guide unit and method of manufacturing the same
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United States of America Patent
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Oct 19, 2021
Grant Date -
Jul 30, 2020
app pub date -
Jan 8, 2020
filing date -
Jan 30, 2019
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a linear motion guide unit manufactured at low cost by forming at least a slider from a single metal plate, and reduced in sliding resistance of rolling elements as well as a method of manufacturing the same. The linear motion guide unit includes a guide rail, and the slider formed from a single metal plate. The guide rail has a bottom part, and a pair of longitudinal side parts standing from opposite sides of the bottom part, extending longitudinally in a mutually facing manner, and having respective raceway grooves in which the rolling elements roll. The slider includes an upper part, a pair of mutually facing sleeve parts extending downward from opposite sides of the upper part and having respective raceway grooves and return passages, and end cap parts formed respectively at opposite ends of the upper part and having turnaround grooves.
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